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Finding the Fourth Proportional to 585,963.88, 878,947.26 and 165,241.96

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Solution

The fourth proportional to 585,963.88, 878,947.26 and 165,241.96 is: 247,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,963.88 : 878,947.26 = 165,241.96 : x
  2. Step 2: Convert to fraction form
    585,963.88/878,947.26 = 165,241.96/x
  3. Step 3: Cross multiply
    585,963.88x = 878,947.26 × 165,241.96
  4. Step 4: Simplify right side
    585,963.88x = 145,238,967,979.03
  5. Step 5: Solve for x
    x = 145,238,967,979.03/585,963.88
  6. Step 6: Final answer
    x = 247,863.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.